Nite Lite II creates a continuous, visual delineation for work zones and other hazards The stripes literally light up when hit by headlights. .

Iowa DOT maintains a specification for a "safety closure". Users attach Nite Lite II Reflective Fence to either side of a Type III Barricade, when Type IIIs are used to close a road. A Type III Barricade, one or more, is placed across the road, in the center. Nite Lite II fence is attached to both sides of the barricade, and stretched to each side of the road.

Go here to read and download the specification.

The Iowa DOT Safety Closure is one of the most effective uses of traffic safety devices that we have seen in use on a roadway. Every driver who encounters a safety closure knows that road is closed.